My server is an early 64 bit ex XP machine of mid noughties vintage.
My desktop is a modern board with 8GB RAM and an SSD.
The ONLY two things that run faster on te desktop, once SSD/spinning rust differences are accounted for, are real time games and video processing.
If you dont do either an XP era machine should work fine - at least on Linux.
No dounbt Windows has hooks to make it run like a dog on older hardware.